EPCTEKNew Pink 11200mAh Portable External Battery Power Bank Backup Charger for iPhone 5, 4S, 4, iPad 4, 3, 2 Capacity: 11200MAH Type: 18650 3.7V lithium battery Input: 5V/1A;Output: 5V/1A Charging time: about 11-12 hours Cycle life: at least 500 times